558 citations
- Ames National LaboratoryUS7 papers
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22 papers · 1 filter
A Supernova Riddle
Douglas C. Leonard
Analysis of the polarization of light from supernovae can reveal the shape and distribution of matter ejected from exploding stars. Here we review the young field of Type Ia supern…
Solitons in one-dimensional nonlinear Schrödinger lattices with a local inhomogeneity
F. Palmero, R. Carretero-González, J. Cuevas +2
In this paper we analyze the existence, stability, dynamical formation and mobility properties of localized solutions in a one-dimensional system described by the discrete nonlinea…
Thermal expansion and magnetostriction of pure and doped RAgSb2 (R = Y, Sm, La) single crystals
S L Bud'ko, S A Law, P C Canfield +3
Data on temperature-dependent, anisotropic thermal expansion in pure and doped RAgSb2 (R = Y, Sm, La) single crystals are presented. Using the Ehrenfest relation and heat capacity…
M31N-2007-06b: A Nova in the M31 Globular Cluster Bol 111
A. W. Shafter, R. M. Quimby
We report spectroscopic observations of the nova M31N-2007-06b, which was found to be spatially coincident with the M31 globular cluster Bol 111. This nova is the first out of more…
Supplementary Information for "A 15.65 solar mass black hole in an eclipsing binary in the nearby spiral galaxy Messier 33"
Jerome A. Orosz, Jeffrey E. McClintock, Ramesh Narayan +8
This Supplementary Information provides details about the spectral extraction (crowding issues and the removal of nebular lines), a discussion about the distance to M33, a model fo…
Constraining the Type Ia Supernova Progenitor: The Search for Hydrogen in Nebular Spectra
Douglas C. Leonard
Despite intense scrutiny, the progenitor system(s) that gives rise to Type Ia supernovae remains unknown. The favored theory invokes a carbon-oxygen white dwarf accreting hydrogen-…